embed sentinel
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c
index d518f4b..3b3e628 100644
--- a/src/core/ngx_open_file_cache.c
+++ b/src/core/ngx_open_file_cache.c
@@ -33,7 +33,6 @@
ngx_open_file_cache_t *
ngx_open_file_cache_init(ngx_pool_t *pool, ngx_uint_t max, time_t inactive)
{
- ngx_rbtree_node_t *sentinel;
ngx_pool_cleanup_t *cln;
ngx_open_file_cache_t *cache;
@@ -48,12 +47,7 @@
cache->list_tail.prev = &cache->list_head;
cache->list_tail.next = NULL;
- sentinel = ngx_palloc(pool, sizeof(ngx_rbtree_node_t));
- if (sentinel == NULL) {
- return NULL;
- }
-
- ngx_rbtree_init(&cache->rbtree, sentinel,
+ ngx_rbtree_init(&cache->rbtree, &cache->sentinel,
ngx_open_file_cache_rbtree_insert_value);
cache->current = 0;
diff --git a/src/core/ngx_open_file_cache.h b/src/core/ngx_open_file_cache.h
index cc0d899..272bcb5 100644
--- a/src/core/ngx_open_file_cache.h
+++ b/src/core/ngx_open_file_cache.h
@@ -63,6 +63,7 @@
typedef struct {
ngx_rbtree_t rbtree;
+ ngx_rbtree_node_t sentinel;
ngx_cached_open_file_t list_head;
ngx_cached_open_file_t list_tail;